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Update optical_flow.cpp

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ref: push_back is changed to emplace_back in order to avoid unnecessary conversions [Scalar(r, g, b))] .
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Kababey 2025-02-11 13:30:48 +03:00 committed by GitHub
parent 7eaddb8aa4
commit 2364f4b0b9
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samples/cpp/tutorial_code/video/optical_flow/optical_flow.cpp
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@ -46,7 +46,7 @@ int main(int argc, char **argv)
int r = rng.uniform(0, 256); int r = rng.uniform(0, 256);
int g = rng.uniform(0, 256); int g = rng.uniform(0, 256);
int b = rng.uniform(0, 256); int b = rng.uniform(0, 256);
colors.push_back(Scalar(r,g,b)); colors.emplace_back(r,g,b);
} }
Mat old_frame, old_gray; Mat old_frame, old_gray;